1. Blood Yu Charcoal is flat in nature, bitter in flavor, and belongs to the liver meridian and stomach meridian. It has the effects of astringency, stopping bleeding, resolving blood stasis and diuretic. It can be used to treat various bleeding conditions, such as coughing blood, vomiting blood, epistaxis, hemorrhagic bleeding, urinary blood, bleeding, hemorrhoids, etc. It can be decocted for internal use, and can also be powdered for external use. It can also be used for the treatment of dysuria.

2, blood charcoal, Chinese medicine. For human hair made of charcoal. Take the hair, remove impurities, alkaline water to wash away grease and dirt, rinse with clean water, dry in the sun, stewed calcined into charcoal, cool.